Background The ability to culture Mycobacterium tuberculosis from clinical specimens
serves as the gold standard for the diagnosis of tuberculosis. However, a number of false …

A retrospective study including 515 Mycobacterium tuberculosis isolates from 215 patients
was conducted to investigate possible laboratory contamination with M. tuberculosis over a …

The detection of laboratory cross-contamination and mixed tuberculosis infections is an
important goal of clinical mycobacteriology laboratories. The objective of this study was to …

BACKGROUND: Two false-positive tuberculosis (TB) cases in Yamagata Prefecture, Japan,
2016. OBJECTIVE: To report the effectiveness of comparative genomics of Mycobacterium …

Background The phenomenon of misdiagnosing tuberculosis (TB) by laboratory cross-
contamination when culturing Mycobacterium tuberculosis (MTB) has been widely reported …

Abstract Setting A laboratory cross-contamination event was suspected because
Mycobacterium tuberculosis was unexpectedly detected at a high incidence in the cultures …

Compared with solid media, broth-based mycobacterial culture systems have increased
sensitivity but also have higher false-positive rates due to cross-contamination. Systematic …

[Confirmation by molecular typing of cross-contamination in a mycobacteria laboratory]. - Abstract -
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Abstract Background: The misdiagnosis of Mycobacterium tuberculosis infection has many
ramifications. These include medical and psychological implications for patients and their …

Setting: A laboratory for routine culturing of Mycobacterium tuberculosis. Objective:
Investigation of an episode of laboratory cross contamination using IS6110 restriction …